This item is a used Automatic pH Controller from New Brunswick Scientific Co., model pH-40. It operates at 115 V, 50/60 Hz. The dimensions are 9.5' in width, 7' in height, and 7' in depth. The unit is in good condition, powers on, and all controls produce a response in the reading. Although it shows signs of use like scuffs, scratches, dust, and stains, it comes with a power cable. Note that the device has not been tested, so calibration and function cannot be guaranteed.
Using this pH controller is straightforward. First, connect the power cable to a 115 V, 50/60 Hz power source. Once powered on, you can use the controls to set and adjust the pH levels. Since the device has not been tested, you may need to calibrate it before use. Be aware that due to its used condition, there might be some minor issues. When it comes to maintenance, keep it clean by removing dust and stains regularly. Avoid exposing it to extreme conditions. If you notice any abnormal responses from the controls, it's best to have it checked by a professional.
